There are 12 words that start with 'rugged'.
| rugged | ruggeder |
| ruggedly | ruggedest |
| ruggedize | ruggedized |
| ruggedizes | ruggedness |
| ruggedizing | ruggednesses |
| ruggedization | ruggedizations |
Note: These 12 words that start with 'rugged' are found from the USA & Canada version of the tournament Scrabble word list.